| 1. | 22 - 18 = |
10
|
7
|
5
|
4
|
| 2. | 28 - 23 = |
9
|
3
|
5
|
10
|
| 3. | 20 - 10 = |
6
|
10
|
2
|
8
|
| 4. | 10 - 8 = |
3
|
8
|
2
|
5
|
| 5. | 10 - 5 = |
7
|
6
|
3
|
5
|
| 6. | 28 - 24 = |
8
|
6
|
2
|
4
|
| 7. | 13 - 5 = |
8
|
5
|
6
|
10
|
| 8. | 20 - 11 = |
9
|
4
|
1
|
3
|
| 9. | 30 - 21 = |
3
|
9
|
1
|
8
|
| 10. | 18 - 9 = |
8
|
7
|
1
|
9
|
| 11. | 25 - 19 = |
5
|
8
|
6
|
9
|
| 12. | 14 - 11 = |
2
|
8
|
4
|
3
|
| 1. | 22 - 18 = |
10
|
7
|
5
|
4
|
| 2. | 28 - 23 = |
9
|
3
|
5
|
10
|
| 3. | 20 - 10 = |
6
|
10
|
2
|
8
|
| 4. | 10 - 8 = |
3
|
8
|
2
|
5
|
| 5. | 10 - 5 = |
7
|
6
|
3
|
5
|
| 6. | 28 - 24 = |
8
|
6
|
2
|
4
|
| 7. | 13 - 5 = |
8
|
5
|
6
|
10
|
| 8. | 20 - 11 = |
9
|
4
|
1
|
3
|
| 9. | 30 - 21 = |
3
|
9
|
1
|
8
|
| 10. | 18 - 9 = |
8
|
7
|
1
|
9
|
| 11. | 25 - 19 = |
5
|
8
|
6
|
9
|
| 12. | 14 - 11 = |
2
|
8
|
4
|
3
|